Rivet-setting machine.



M. W. WILKINS. RIVET SETTING MACHINE. APPLICATION FILED APR.9, 1907.

Patented Apr. 20, 1909.

s SHEETS-SHEET 1.

INVENTOR B) K d ATTORNEY WITNESSES.

1n: NORRIS PETERS c0, WASHINGTON, n. c,

M. W. WILKINS.

RIVET SETTING MACHINE.

APPLICATION FILED APR. 9, 1901.

I Patented Apr. 20, 1909.

6 SHEETS-SHEET 2.

I INVENTOR ARA ATTORNEY .NE NORRIS PETER! cm, wnsnmm'cu, n4

M. W. WILKINS.

BIVET SETTING MACHINE.

APPLICATION FILED APB.9.1907.

918,624. Patented Apr. 20, 1909.

6 SHEETS-SHEET 3.

WITNESSES: Q lNl /ENTOR a; Q m WI; 2% 75%; TE M. M /JW ATTORNEY was NORRIS Pzrzns co., wnsmucmu, p. c

M. w. WILKINS; RIVET SETTING MACHINE.

APPLICATION FILED APB. 9.1907.

Patented Apr. 20, 1909.

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I g A F 4w MM a? ATTORNEYS.

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M. w. WILKINS. RIVET SETTING MACHINE.

APPLICATION I'ILED APR. 9, 1907.

Patented Apr. 20, 1909.

6 SHEETS-SHEET 5.

WITNESSES:

n- MORRIS 'EIERSGO wuuma M. W. WILKINS. RIVET SETTING MACHINE. APPLICATION IILED'APB. 9,1907.

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unitrnn s ra'rns PATENT ension.

MYRON W. WILKINS, OF GLOVERSVILLE, NEW YORK, ASSIGNOR TO THE E. J. WILKINS COMPANY,-OF GLOVERSVILL'E, NEW YORK, A CORPORATION OF NEW YORK.

RIVE T-SE 'ITING MACHINE No. 918,624. Specification of Letters Patent. Patented April 20, 1909.

Application fi1ed-Apri1 9, 1907. Serial No. 367,224.

To all whom it may concern-.-

Be it known that I, MYnoN W. Win-Kins, a citizen of'the United States, residing at Gloversville, in the county of Fulton and State of New York, have invented certain new and useful Improvements in iiivet- Setting Machines, of which the following is a specification.

My invention relates to that class of machines designed for setting rivets in the metallic frame of ocket-books, ladies hand bags, satchels, anc the like.

Hitherto, so far as I am aware, it has been the practice to set such rivets by hand, forcing them through the apertures formed therefor, in the bag or pocket-book frame, with the thumb or finger of the operator. This process is laborious and tedious, and results in causing the thumb and finger of the operator to become sore and has other I disadvantages.

By the mechanism which I have designed for this purpose, it is possible for one operator to set many times the number of rivets that it is possible to set by hand and do the work much more effectually and neatly.

The machine which is herein described, is apreferred form, and in practice, is found to perform the functions desired, in the mostexpe'ditious manner.

In the drawings, Figure 1 is a side elevation of the machine as a whole. Fig. 2' is a front elevation. Fig. 3 is a side elevation opposite to that illustrated in .Fig. 1. Fig. 4 is a rear elevatlon. Fig. 5 1s a central vertlcal section on line a; x of Fig. 2. Fig.

6 is a broken plan view of the rotating rivet hopper. Fig. 7 is a vertical section of said hopper. FigqSis a detached front elevai tion, and Fig. 9 is a sectional view of the thrusting mechanism for forcing the rivets l through the apertures in the metallic frame. Fig. 10 is a detached front elevation, and Fig. 11 a detached side elevation of the mechanism for operating the foot, hereinafter described. Fig. 12 is a front elevation, and Fig. 13 a side elevation of -the inclined chute for feeding the rivets into the thrusting mechanism. Fig. 14 is a front' elevation; Fig-15 is a side elevation, and Fign16' is an end elevation of the escapel ment device for feeding the rivets, one by one, to the chute. Figs. 17 and 18 are rei spectively front and side elevations of the rock shaft which actuates the said escapement device. Fig. 19 is a plan, and Fig. 20 a section of the cam for operating the foot. Figs. 21 and 22 are respectively a plan and section of the cam'for operating the thrusting mechanism. Figs. 23 and 24 are respectively, front and side elevations of the device for clearing the inclined chute which receives the rivets from the hopper. Figs. 25 and are respectively, front and side elevations of the inclined chute just re ferred to. Fig. 27 is a sectional view of the clutch mechanism for the operative parts of the machine by power, and Fig. 28 is an end view of the same.

Similar numerals of reference refer to like parts throughout the specification and drawings.

The whole structure is mounted on a table (not shown) or bench, at a suitable height from the floor, the body or foundation 1 being secured to the table in any convenient manner. Upon the upper side of the base 1, and secured to the same by means of the bolts 2, is the support 3, flanged at 4- as shown. This support 3 extends upwardly at an angle to the base 1, as indicated, and forms a frame work for the support of the operative parts of the structure. This support 3 also extends through an aperture in the base 1, as indicated in Fig. 5, to form two in clined brackets 5 and 6, said brackets forming bearings for the inclined shaft 7. The shaft 7 has mounted thereon, the two cams 8 and 9, located between the brackets 5 and 6, together with the bevel gear 10 and the hand operating wheel 11, both located. outside the bracket 5.

Mounted near the opposite end of the shaft 7 is the eccentric 12, for a purpose hereinafter to be described; also the pulley 13 as shown. The cam 8 is provided with an irregularly shaped cam-groove 14: as indicated in Fig. 21, such groove being for the purpose of reciprocating the plunger 15, which in turn carries at its upper end, a wire rod 16, for a purpose hereinafter to be described. The cam 9 has upon its face a cam groove 17, as indicated in Fig. 19, the purpose of which is to reciprocate the plunger 18, which is guided in the body of the support 3, and also through the bracket 19, said plunger carrying at its upper end, the spring 1 escapement is pivoted to the lower portion of actuated foot 20, said foot extending forwardly and downwardly in exact alinement with the rod 16, and terminating in the toepiece 95. 7

The upper end of the rod 16 reciprocates in a groove in the face of the member 21, said member 21 having the forked passages 22 and'23, the groove itself being covered by the spring plate 24, pivoted to forward portion of the member 21, as indicated at 25 in I ig. 8. he spring plate 24 is provided with a tongue 26 which extends along the upper portion of the forked passage 23,and when in the position indicated in ig. 8, com-- pletely closes the upper end of said passage. The member 24 is. secured to the side of the sleeve projection 26 in any convenient manner, so that the groove in the face of the same is in alinement with the rod 16.

Secured to the side of the frame member 3 by means of the screws 27, through the bracket 23, is the inclined funnel shaped chute 29, the lower end of which registers with the forked passage 22, so that rivets which fall into the chute 29 are directed downwardly and fall into the forked passage 22, which, being sufficiently large, permits said rivet to tilt forwardly with the head thereof resting upon the upper end of the rod 16, and in alinement with the forked passage 23. It will now be noted that the reciprocation of the rod 16 will force the rivet oint foremost, through the passage 23 and lietween the forward end or tongue 26 of the member 21 and the spring plate 24, until the point projects beyond the upper extremity of the member 21 and the tongue 26 of the spring plate 24, into alinement with the lower end of the toe-piece 95, such reciprocation of the rod being actuated by the rotation of the cam 8.

Mounted upon the upper extremity of the frame support 3 is the inclined channeled chute 30, shown in front elevation in ig. 25. This inclined chute is provided with the channel 31 of sufficient depth to permit a rivet to slide down such channel, the width of the channel being sufficiently narrow to prevent the head from passing down into the channel.

Secured to the bracket 28, in any convenient manner, is the small angle shaped tumbler 32, said tumbler lying in the path of the descending line of rivets, and serving to invert said rivets, as they slide off the extended fingers 33, which, it willbe noted, from the va rious figures, are curved forwardly with their lower extremities in substantial alinement with the chute 29. At the lower end of the inclined chute 30, and substantially closing the channel therein, is an escapement 34, which permits of the passage of but a single rivet at a time, said escapement 34 being clearly illustrated in Figs. 14 and 15. This the channel chute 30, by means of the screw 35, and is caused to oscillate back and forth, in front of the channel, in such a manner as to permit a single rivet at a time to slide down the fingers 33.

From a reference to Fig. 16, it will be noted that the upper end of the escapement 34'is provided with a pair of fingers which overlap each other, leaving a space between the same a little wider than the thickness of a rivet, so that as the forked fingers 35 and 35 oscillate in front of the channel in the chute 30, they pick off a single rivet at a time and permit the same to fall forward down the fingers 33, until the shank of said rivet comes in contact with the tumbler 32, when said rivet is inverted with its head downmost and falls into the chute 29, then into the forked passage 23, as hereinbefore described.

As a means for feeding the rivets into the channel chute 30, I have provided the following structure: Secured to the upper end of the frame work and above the channel chute 30, I provide the hopper 36, provided with the inclined bottom 37 and sufficiently large to inclose the upper end of the chute 30. Secured to the lower portion of the channel chute 30 in any convenient manner, is the bracket 37 carrying the stub shaft 38, and upon said stub shaft, I mount the rotating hopper 39, which is provided with a series of inclined buckets 41 upon the interior of its periphery. At the rear end'of the hopper 39, I provide the pulley 40 over which passes the belt 42 to the pulley 13 mounted upon the shaft 7, the idlers 43 serving to change the direction of motion of said belt to compensate for the difference in angle between the two shafts 7 and 38. Alarge number of rivets are placed in this hopper and as the same rotates, it will be noted that said rivets are carried to the upper portion thereof, where they fall by gravity into the funnelshaped receiver 44, whence they slide down over the top of the chute 30, and some portion of the great bulk of rivets thence falling, will drop into the channel of said chute 30, the surplus falling upon the bottom 37 and thence sliding back into the lower portion of the hopper 39 to be carried up again upon the continued rotation of said hopper.

In order to keep the channel 31 in the chute clear, I provide the clearing brush 45, which is caused to oscillate back and forth over the channel and brush away such rivets as are not caught in the channel. oted at the forward end of a bracket 46, which is secured in any convenient manner to the upper end of the frame 3, the said brush having a shank extending upwardly beyond the bracket 46, and having a pivot 4'7 at its upper end.

Secured to the bracket 46 in any convenient manner, as by means of the bolts 48, is

This brush is pivthe 0st 49, carrying at its upper end, a pivl 72 into positive engagement with the clutch ote lever 50, said lever having a slot which member 74,

receivesthe pivot 47 of the shank of the brush 45; This lever 50 extends forward as shown, 1

with its extremity lying in the path of a series of studs 51, secured to the face of the ho -per-39..

rojecting laterally from thebracket 46, as illustrated in Fig. 23, is the arm 52, carry ing at its outer extremity the post 53, to which is attached a spring 54, the opposite end of which is connected to a pin 55, secured to the upper end of the brush 45. Also secured to the arm which the pin 55 impinges to limit the oscillating motion of the brush 45, so that as the extremity of the lever 50' is carried laterally by means of the studs 51, and escapes from contact therewith, the spring 54 will suddenly jerk the brush backward, until the pin 55 strikes the bracket 56 or the spring 57 secured thereon, as a kind of buffer.

As a means for oscillating the escapement 34, I provide the rock shaft 58, pivoted as shown at the upper end of the frame support 3, said rock shaft carrying at one end, the crank 59, having the pin 60, projecting into the slot 61in the lower end of said escapement 34. At the opposite end of the rock shaft 58'is another crank 62, pivotally connected to the eccentric rod 63, leading down to the eccentric 12, heretofore referred to. It will be seen that as the shaft 7 is rotated, the: rock shaft 58 will be oscillated, thereby causing the escapement 34 to oscillate in front of the channel 31 in the chute 30, and thereby permit the escapement, one by one, of the rivets, which have been caught in the said channel.

The shaft 7 must be intermittently rotated and such rotation must be absolutely under the control of the operator, for the reason that if the. samev were continuously rotated, the rivets would be fed out through the forkedchannel23 at a time when not needed. In orderto provide for this intermittent rotation and for the control of the same, I have mounted on the under side of the table 1, the bracket 64 havingthe arms 65 and 66. In the lower ends of these two arms are the bearings 67 and 68, for the horizontal shaft 69-, such shaft being so located that the bevel gear 70 may be in position to engage the bevel gear 10 upon the inclined shaft 7, heretofore referred to. Loosely mounted upon the shaft 69 is the sheave 71, and also the clutch member 72, the latter being designed to slide on said shaft, and being coupled by means of a series of pins 7 3 to the sheave 71,

constantly rotates in unison with said sheave. At 74, I have shown a clutch merrberfor engagement with the clutch member 72 ,said clutch member 74 being rigidly secured to the shaft 69.

As a means for shifting the clutch member 52 is a stop 56, against TV provide the sl1ifting-bell-crank 5, having a pair of forked arms 76, for enageinent with the slot 77 in the hub of the clutch member 72. This bell-crank is operated by means of a foot-treadle 78, through the rod 79, leading up to the bell crank 75,

. such bell crank being mounted in the lateral bracket 89, secured to the arm 66 as clearly illustrated so that when the toe part of the trcadle 78 is depressed with the rod 79 elevated, the clutch 72 is thrown into positive engagement with the clutch member 74-. Mounted also upon the shaft 69 is. an escapemcnt 81, having the pins 82 secured in the face thereof, adjacent to the sheave 71, with the pin 83 upon the opposite side thereof.

Reference to .liig. 27, will disclose that the pin 73, secured in the face of the clutch member 72 passes through the sheave 71 and when the clutch is thrown into activity, the pin 7 3 will be advanced to lie in the path of the pins 82, thereby causing the rotation of the member 8] upon the shaft in the dircction of the arrow shown in Fig. 28.

In the upper portion of the bracket 64, is mounted the tripping rod 84, slidably mounted therein with one end thereof connected to the upper end of the arm 85, which is rigidly secured to the bell-crank 75. Between the collar 86 and the guide 87 is the spring 88, which normally has a tendency to hold the clutch members 72 and 74 out of engagement. On one side of the rod 84 is located a notch 89. Pivotally secured in the side of the bracket 65 is the hook stop-lever 90, one end of which lies adjacent to the notch 89 ust referred to. The opposite end of said stoplever 90 is provided with a cam-hook 91 which lies in the path of the pin 83, as illus trated in Fig. 28, the lever 90 is held in position with the upper end against the rod 84,

by means of the spring 92, clearly shown in Fig. 28. It will be seen therefore, that upon the elevation of the rod 79, the bell-crank will be actuated to throw the clutch members 72 and 74 into engagement, thereby drawing the rod 84 to the left and compressing the spring 88 between the collar 86 and guide 87 until the upper end of the stop-lever 90 falls into the notch 89. In this position of the stop-lever 90, the lower or hook end 91 is brought into the path of the pin 83, carried by the member 81, which it will be noted. when the clutch is in engagement as above described, will cause the entire shaft 69, with all of its parts to revolve. \Nhen, however, the pin 83 engages the hook end 91 of the lever 90, the upper end of said lever 90 will be thrown out of engagement with the notch 89 in the rod 84, when the spring 88, being released will throw the bell-crank 75 into po sition to release the clutch members 72 and 74, when all motion of the shaft 69 will immediately cease. While, however, the shaft 64 is revolving, it is communicating its motion through the bevel gears 7 O and 10 to the shaft 7.

In operation, the rotation of the shaft 7, as heretofore described, carries with it, the cam plates 8 and 9, reciprocating thereby the rods 15 and 18, and also, operating the bell-crank 58 through the means of the eccentric 12, and also rotating the sheave 13 to rotate the hopper 39. The movements of the two rods 15 and 18 are governed entirely by the shape of the cam-slots 14 and 17 in the place of the cam plates 8 and 9 respectively, while, as heretofore described, the operation of the eccentric 12 with the rod 63 operating the bell-crank 58 results in the picking off of the rivets 94, one by one, as they present themselves in the channel chute 30, permitting the same to slide down through the fingers 33, until they strike the tumbler 32, where they are inverted and slide head-foremost down the chute 29 into the forked channel 22, until they are head downward upon the upper end of the small rod 16. The rotation of the cam plate 8 will now reciprocate the plunger15, and with it, the small rod 16, forcing the rivet, with its point between the plate 24 and the upper end of the slot 23. The shape of the slot 14 is such that when the point of the rivet protrudes slightly above the upper end of the plate 24, it momentarily stops and when in this position, the operator places the articles 99 to be riveted in proper position, when the cam slot 17 begins to actuate the reciprocating rod 18 to draw the foot 20 with its toe piece 95, down to force the material to be riveted against the point of the protruding rivet. When this takes place, another portion of the cam slot 14 will cause the rod 15 to further advance, carrying with it the small rod 16, and thereby, force the rivet home through the material, the toe piece 95 acting to hold the material 99 against the upper end of the member 21. During this operation, the hopper 39 has been ro tated through the medium of the belt 42 carried over the sheave 13, so as to dump a supply of rivets into the chamber 36, whence they fall and a portion of them are caught in the channel chute 30; the surplus which might otherwise interfere with the systematic feed of the rivets being brushed off from the upper surface of the chute 30 by means of the brush actuated as heretofore described.

Further rotation of the shaft 7 will cause the parts described to be restored to the position illustrated in Fig. 5, and when they have arrived at that position, the actuating parts illustrated in Fig. 2, will have gone to the position to release the clutch members 72 and 74 and thereby immediately step further movement of the actuating parts, until again set in motion by means of the footlever 78, when the operation is repeated.

In assembling the parts above described, considerable care must be taken to properly locate the earn 8 with its slot 14 in proper position with respect to the slot 17 and cam 9, in order that the timing of the plungers 15 and 18 shall be correct. As above described, the cam slot 14 is so shaped as to first ad vance the plunger 15 with the rod 16, so as to cause the rod 16 to protrude the rivet 94 slightly above the upper end of the slot 23, so that it may be observed by the operator, in order to properly locate the article to be riveted. The plunger 15 then stops while the plunger 18 is actuated by its cam slot to bring the toe piece 95 of the foot 20 to force the articles to be riveted down upon the point of the rivet, in fact, forcing therivet through such article, when the plunger 15 is again actuated by its cam slot 14 to drive the rivet the rest of the way through the material, the toe piece 95 remaining stationary and gripping the article during this operation. The cam slots 14 and 17 as illustrated in Figs. 19 and. 21, are accurately drawn so that in operation, cams made in ac cordance with said shapes will perform the functions above described.

It will be understood from the above description that the operative parts are nor-- mally quiescent and are thrown into operation by means of the foot treadle 78, which brings the clutch members 72 and 74 into engagement to set the shaft 69 in rotation, when the operation above described takes place.

in order to provide for differences in thickness of materials, the foot 20 must yield slightly in its downward movement toward the upper extremity of the member 21, otherwise, thick material would. cause the toe piece 95 to'bend or buckle out of shape. In order that there shall be no difficulty in this respect, I slidably mount the foot 20 upon the upper end of the plunger 18, limiting its downward movement by means of the collar 96, rigidly-secured to said plunger 18. At the upper end of the plunger 18, I secure a stop in the shape of a pair of set-nuts 97, and locate between the collar 96 and the set-nuts 97, a coiled spring 98, as illustrated in the several drawings. Thus when materials of different thicknesses are to be riveted, the foot 20 is sutliciently yieldable to prevent breakage.

I claim:

1. In a rivet setting machine, the combination of an intermittently reciprocating rivet setting plunger, means for feeding rivets one by one into alinement with said plunger, means for gripping an article to be riveted in alinement with said rivet and plunger, and means for intermittently ad vancing said plunger to first expose the point of the rivet to permit the article to be properly placed and thereafter to force said rivet through said article.

2. In a rivet setting machine, the combination of an intermittently reciprocating rivet setting plunger, means for feeding rivets into 'alinement with said plunger, a

member, having a guiding groove therein and a spring plate covering said groove to guide said rivet and plunger, means for gripping and holding an article to be riveted against said member in alinement with said rivet, and means for reciprocating said plunger to force said rivet through said article.

3. In a rivet setting machine, the combination of a rivet setting plunger, means for actuating said plunger to cause the same to advance, a certain distance to expose the point of the rivet, then halt and then advance again to the'limit of its throw to set the rivet and finally to recede to its initial position to receive another rivet.

4. In a rivet setting machine, the combination of a'rivet settin plunger, a rotating cam for actuating said plunger, said cam having an irregular shape of such a nature as to cause said plunger to advance a portion. of its throw to expose the point of the rivet, then stop and then advance the remainder of its forward throw to set said rivet and finally recede to its initial position to receive another rive t.

5. In a rivet setting machine, the combination of a reciprocating plunger, means for imparting to said plunger an irregular advancing motion to first expose the point of the rivet and then set the same and a regular receding motion, a foot having a toe in substantial alinement with said plunger, and means for reciprocating said. foot and toe toward and away from said plunger, and for giving said foot and toe regular intervals of rest at each end of the throw thereof whereby to permit the placing of the work in position to receive the oint of the rivet and finally to hold the wor while the rivet is being set.

6. In a rivet setting machine, the combination of a plunger and plunger rod, means for feeding rivets consecutively into alinement with said plunger rod, means for reciprocating said plunger rod intermittently inone direction to expose the point of the rivet so that the work may be placed thereon and with uniform motion in the opposite di rection, a foot having a toe in alinement with said plunger rod, means for causing said foot to advance toward and recede from the end of said plunger rod and. for giving said toe regular periods of rest at each end of its throw whereby to permit the placing of the work in position to receive the point of the rivet and finally to hold the work while the rivet is being set.

7. In a rivet setting machine, the combination of a base or table, a supporting frame mounted on said table, an inclined channeled chute secured to the upper end of said frame, means for feeding rivets consecutively through said chute, a pair of brackets extending from said frame beneath said table, an inclined shaft rotata'oly mounted in said I brackets, a pair of reciprocating plungers operatively connected with said shaft and extending above said table, a rivet setting plunger rod secured to one of said plungers, said frame having a groove for guiding said rod, and an article gripping foot or toe secured to the other plunger rod, means for receiving rivets one by one from said chute and placing the same in alinement with said plunger rod.

8. In a rivet setting machine, the combi nation of a rotary hopper having a series of internal pockets in its periphery for holding rivets, an inclined chute extending into the interior of said hopper to receive said rivets and arrange them for consecutive delivery, an oscillating brush actuated by the rotation of said hopper to prevent the clogging of rivets as they enter said chute, and means for returning surplus rivets to said hopper.

9. In a rivet setting machine, the combination of a rotary hopper having a series of internal pockets in its periphery for holding rivets and carrying the same to the upper part of said hopper, an inclined channeled chute extending into the upper part of said hopper to receive said rivets as they fall from said pockets, an oscillating brush actuated by the rotation of the hopper for clearing said chute of surplus rivets and returning the same to the lower part of said hopper, and means for guiding said rivets consecutively to their point of application to the article to he riveted.

10. In a rivet setting machine, the combination of an inclined chute having a narrow channel in its upper face, means for feeding headed rivets into said chute continuously and consecutively, and an oscillating brush for positively clearing said chute of surplus rivets, means for picking off said rivets one by one from said chute, an d means for inverting said rivets and guiding them to their position for insertion into the article to be riveted.

11. In a rivet setting machine, the combination of a base or table, a supporting frame mounted on said table, an inclined channeled chute secured to the upper end of said frame, a rotating hopper supported by said frame, said hopper having means for feeding rivets to said chute, a air of brackets extending from said frame eneath said table, an inclined shaft rotatably mounted in said brackets, a reciprocating plunger operatively connected with said shaft and extending above said table, a rivet setting plunger rod secured to said plunger, means for communicating the rotation of said shaft to said rotating hopper, and means for receiving rivets one by one from said chute, and placing the same in alinement With said plunger rod.

12. In a rivet setting machine, the combination of a base or table, a supporting frame mounted on said table, an inclined channeled chute secured to the upper end of said frame, a rotating hopper supported by said frame, said hopper having means for'feeding rivets to said chute, a pair of brackets extending from said frame beneath said table, an inclined shaft rotatably mounted V in said brackets, a reciprocating plunger operatively connected With said shaft and extending above said table, a rivet setting plunger rod secured to said plunger, means for communicating the rotation of said shaft to said rotating hopper, 1621119, for receiving rivets one by one from said chute, and placing the same in alinement with said plunger rod, and a clearing device actuated by the rotation of said hopper to prevent the clogging of rivets as they enter said chute.

13. In a rivet setting machine, the combination of a base or table, a supporting frame mounted on said table, an inclined channeled chute secured to the upper end of said frame, a rotating hopper supported by said frame, said hopper having means for feeding rivets to said chute, a pair of brackets extending from said frame beneath said table an inclined shaft rotatably mounted in said brackets, a reciprocating plunger operatively connected With said shaft and extending above said table, a rivet setting plunger rod secured to said plunger, means for communicating the rotation of said shaft to said rotating hopper, means for receiving rivets one by one from said chute, and placing the same in alinement with said plunger rod, and a clearin device actuated by the rotation of said hopper to prevent the clogging of rivets as they enter said chute, and means for returning the surplus rivets to said hopper.

14. In rivet setting machine, the combination of an inclined chute having a narrow channel in its upper face, a rotating hopper having means therein for feeding headed rivets into said chute continuously and consecutively, an oscillating brush actuated by the rotation of said hopper for clearing said chute of surplus rivets.

15. In a rivet settin machine, the combination of an inclined chute having a narrow channel in its upper face, a rotating hopper having means therein for feeding headed rivets into said chute continuously and consecutively, an oscillating brush actuated by the rotation of said hopper for clearing said chute of surplus rivets, and means at the lower end of said chute for picking off said rivets one by one and means for inverting said rivets and guiding them into their position for insertion into the article to be riveted.

This specification signed and witnessed this 30th day of March 1907.

iifYRON VF. W ILKINS. Witnesses r lVILLIAB/I A. MACDONALD,

KATHERINE A. MOORE. 

